mp3lib/mpg123.h

   1 /*
   2  * Modified for use with MPlayer, for details see the CVS changelog at
   3  * http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
   4  * $Id$
   5  */
   6
   7 /*
   8  * mpg123 defines
   9  * used source: musicout.h from mpegaudio package
  10  */
  11
  12 #include "config.h"
  13
  14 #ifndef M_PI
  15 #define M_PI            3.141592653589793238462
  16 #endif
  17 #ifndef M_SQRT2
  18 #define M_SQRT2         1.414213562373095048802
  19 #endif
  20 #define REAL_IS_FLOAT
  21 #define NEW_DCT9
  22
  23 #undef MPG123_REMOTE           /* Get rid of this stuff for Win32 */
  24
  25 /*
  26 #  define real float
  27 #  define real long double
  28 #  define real double
  29 #include "audio.h"
  30
  31 // #define              AUDIOBUFSIZE            4096
  32 */
  33
  34 #define         FALSE                   0
  35 #define         TRUE                    1
  36
  37 #define         MAX_NAME_SIZE           81
  38 #define         SBLIMIT                 32
  39 #define         SCALE_BLOCK             12
  40 #define         SSLIMIT                 18
  41
  42 #define         MPG_MD_STEREO           0
  43 #define         MPG_MD_JOINT_STEREO     1
  44 #define         MPG_MD_DUAL_CHANNEL     2
  45 #define         MPG_MD_MONO             3
  46
  47 /* #define MAXOUTBURST 32768 */
  48
  49 /* Pre Shift fo 16 to 8 bit converter table */
  50 #define AUSHIFT (3)
  51
  52 struct al_table
  53 {
  54   short bits;
  55   short d;
  56 };
  57
  58 struct frame {
  59          struct al_table *alloc;
  60          int (*synth)(real *,int,unsigned char *,int *);
  61     int (*synth_mono)(real *,unsigned char *,int *);
  62     int stereo;
  63     int jsbound;
  64     int single;
  65     int II_sblimit;
  66     int down_sample_sblimit;
  67          int lsf;
  68          int mpeg25;
  69     int down_sample;
  70          int header_change;
  71     int lay;
  72     int error_protection;
  73     int bitrate_index;
  74     long sampling_frequency;
  75     int padding;
  76     int extension;
  77     int mode;
  78          int mode_ext;
  79     int copyright;
  80          int original;
  81          int emphasis;
  82          long framesize; /* computed framesize */
  83 };
  84
  85
  86 struct gr_info_s {
  87       int scfsi;
  88       unsigned part2_3_length;
  89       unsigned big_values;
  90       unsigned scalefac_compress;
  91       unsigned block_type;
  92       unsigned mixed_block_flag;
  93       unsigned table_select[3];
  94       unsigned subblock_gain[3];
  95       unsigned maxband[3];
  96       unsigned maxbandl;
  97       unsigned maxb;
  98       unsigned region1start;
  99       unsigned region2start;
 100       unsigned preflag;
 101       unsigned scalefac_scale;
 102       unsigned count1table_select;
 103       real *full_gain[3];
 104       real *pow2gain;
 105 };
 106
 107 struct III_sideinfo
 108 {
 109   unsigned main_data_begin;
 110   unsigned private_bits;
 111   struct {
 112          struct gr_info_s gr[2];
 113   } ch[2];
 114 };
 115
 116 extern real mp3lib_decwin[(512+32)];
 117 extern real *mp3lib_pnts[];
 118
 119 extern int synth_1to1_pent( real *,int,short * );
 120 extern void make_decode_tables_MMX(long scaleval);
 121 extern int synth_1to1_MMX( real *,int,short * );
 122 extern int synth_1to1_MMX_s(real *, int, short *, short *, int *);
 123
 124 extern void dct36_3dnow(real *,real *,real *,real *,real *);
 125 extern void dct36_3dnowex(real *,real *,real *,real *,real *);
 126 extern void dct36_sse(real *,real *,real *,real *,real *);
 127
 128 typedef int (*synth_func_t)( real *,int,short * );
 129 typedef void (*dct36_func_t)(real *,real *,real *,real *,real *);